Maths exam

This task asks questions about box-and-whisker graphs.

box and whisker graph of 6 classes

This box-and-whisker graph shows the results of a mathematics exam sat by six classes.

The marks are given as percentages. 

Which class has ...

 

a)
  
b)
 
c)
 
d)
 
e)
the student with the highest mark? __________
 
the highest median mark? __________
 
the biggest range of marks? __________
 
the smallest inter-quartile range? __________
 
a quarter of its students getting more than 70%? __________